RosettaCodeData/Task/Fibonacci-sequence/Tcl/fibonacci-sequence-2.tcl
2023-07-01 13:44:08 -04:00

3 lines
105 B
Tcl

proc fib {n} {
if {$n < 2} then {expr {$n}} else {expr {[fib [expr {$n-1}]]+[fib [expr {$n-2}]]} }
}